At CGI, we deliver secure, high-impact technology solutions that help our clients operate with confidence in an evolving threat landscape. As a Senior SOC Analyst, you will play a critical role in protecting vital services within a joint Microsoft and CGI security team supporting the ASH programme. Working in a collaborative, high-trust environment, you will take ownership of security monitoring, incident response, and continuous service improvement while helping strengthen cyber resilience for a critical client. This role offers the opportunity to apply your expertise, contribute innovative thinking to evolving threats, and work alongside experienced specialists who support your professional growth while delivering meaningful outcomes for complex, mission-critical environments. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ?Best Employer? by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you?ll be part of an open, friendly community of experts. We?ll train and support you in taking your career wherever you want it to go. This is an on-site role based in Chippenham, operating on a 24/7 shift rotation. There may be opportunities for future on-call shifts, which would include an additional salary uplift. We welcome applicants who already hold Security Clearance, particularly those willing to progress to higher levels of clearance.